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authorDaniel Baumann <daniel.baumann@progress-linux.org>2021-03-04 19:22:03 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2021-03-04 20:43:22 +0000
commit22c74419e2c258319bc723351876604b3304604b (patch)
tree8c799a78d53f67388fdf42900657eda617c1306a /CHANGES
parentInitial commit. (diff)
downloaddnscap-22c74419e2c258319bc723351876604b3304604b.tar.xz
dnscap-22c74419e2c258319bc723351876604b3304604b.zip
Adding upstream version 2.0.0+debian.upstream/2.0.0+debian
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+2021-02-12 Jerry Lundström
+
+ Release 2.0.0
+
+ This major release contains three backward incompatible changes, two
+ new command line options and a completely restructured man-page(!),
+ please read the change notes carefully before upgrading!
+
+ The first backward incompatible change has to do with the removal of
+ libbind dependency. This library was causing segfaults on OpenBSD due to
+ shared (and overwritten) symbols with OpenBSD's libc.
+ It was replaced with LDNS and LDNS renders domain names as Fully
+ Qualified Domain Names (FQDN, the trailing dot!) so every output of a
+ domain name has been changed to a FQDN.
+ This also changes `-X`/`-x`, which will now match against FQDNs.
+
+ The second backward incompatible change is that `-6` has been removed.
+ This was used to alter the BPF in order to "fix" it, dnscap adds
+ specific filters to IP and UDP headers which does not work for IPv6
+ traffic.
+ The generated BPF has been changed to allow IPv6 to always pass, making
+ the option obsolete. IPv6 filtering is then done in dnscap.
+
+ The last backward incompatible change has to do with the output format
+ of `-g` related to EDNS0 and is now more consistent with the rest of
+ the parsable output:
+ - No more spaces in the output
+ - Fix incorrect `\` and extra empty new-line
+ - All EDNS0 options are added after `edns0[...]` using comma separation, example: `edns0[],edns0opt[],...`
+ - Client Subnet format: `edns0opt[ECS,family=nn,source=nn,scope=nn,addr=...]`
+ - Unknown/unsupported code: `edns0opt[code=nn,codelen=nn]`
+ - Parsing error messages have changed, they came from libbind, now comes from LDNS
+
+ New options:
+ - Add `-q` and `-Q` to filter on matched/not matched QTYPE
+
+ Bugfixes:
+ - Fix memory leak in EDNS0 ECS address parsing
+ - `network`: Fix sonarcloud issues, potential `memcpy()` of null pointer
+
+ Other changes:
+ - Fix CBOR output inclusion, LDNS is always available now
+ - Add macros for Apple and Windows endian functions
+ - Restructure and correct the man-page
+
+ 557e5f5 man-page
+ 025529f v6bug, interval
+ 37b79e9 FQDN
+ ebcf434 QTYPE match, args, tests
+ 0cb5562 v6bug
+ 75f6115 Endian
+ aaeb213 Sonarcloud
+ 8685946 CBOR output
+ 3e26802 Sonarcloud
+ 30aa366 libbind
+ 3f94d0b Mattermost
+
+2020-10-22 Jerry Lundström
+
+ Release 1.12.0
+
+ This release fixes the handling of `-?` option for dnscap and all plugins,
+ previously the handling varied between places and depending on `getopt()`
+ implementation an invalid option could return the wrong exit code.
+
+ Other changes:
+ - Fix typo in configure help text
+ - `plugins/anonmask`: Fix typo in help text
+ - `plugins/rzkeychange`:
+ - Add `-D`, dry run mode, for testing
+ - Fix handling of `-a` and error on too many
+
+ KNOWN ISSUES:
+
+ On OpenBSD the system library libc exports the same symbols as libbind
+ does and this causes runtime warnings. Until now this has not caused any
+ known problems but is now also causing segfaults if the packet filter used
+ (BPF) includes IPv6 addresses.
+ On all other platforms OARC supports, these symbols are macros and in so
+ should not cause any problem.
+
+ ee478c0 Known issues
+ 2f9d957 Tests
+ 3c663a2 Tests
+ c88efc5 rzkeychange test
+ f062f33 Tests
+
+2020-08-20 Jerry Lundström
+
+ Release 1.11.1
+
+ This release fixes a lot of issues found by code analysis, adds a
+ explicit memory zeroing function to remove account information (read
+ when dropping privileges) and adds code coverage reporting.
+
+ The `dnscap_memzero()` will use `explicit_bzero()` on FreeBSD and
+ OpenBSD, or `memset_s()` (if supported), otherwise it will manually
+ set the memory to zero. This will hopefully ensure that the memory
+ is zeroed as compilers can optimize out `memset()`'s that is just
+ before `free()`.
+
+ The plugins exit code for the help option `-?` has been changed to 0
+ to have the same as `dnscap -?`.
+
+ d9747ee memzero
+ 1cf17c6 Coverage
+ 19c7120 Coverage
+ 7435676 Sonarcloud
+ 928e181 Sonarcloud
+ ca4afd0 Sonarcloud
+ 028f5e0 Badges
+ db0d6a1 LGTM
+
+2020-06-01 Jerry Lundström
+
+ Release 1.11.0
+
+ This release includes a new plugin called `eventlog`, contributed
+ by Byron Darrah (@ByronDarrah), output DNS activity as log events,
+ including answers to A and AAAA queries.
+
+ Other changes includes compile warning and code analysis fixes.
+
+ 382eac4 COPR
+ 4c03650 Compile warn
+ 21d6a67 Slight change -- wording now matches usage() output.
+ dd19b0b Added the eventlog.so plugin...
+ 1ebf504 Added new dnscap plugin: evenlog.so...
+ f3f9aaa Compile warnings
+
+2020-03-02 Jerry Lundström
+
+ Release 1.10.4
+
+ Fixed a bug that would not drop privileges when not specifying any
+ interface (which is equal to capturing on all interfaces).
+ Added functionality to set the supplemental groups when dropping
+ privileges and changing user, or clear them if that is not supported.
+ Other changes includes corrected man-page about '-w' and update to
+ documentation.
+
+ a0285e4 drop privileges errors, initgroups/setgroups
+ 96336f3 daemon: Attempt to drop supplemental groups
+ 467a9a7 Drop privileges
+ de940a8 man-page -w
+ 187ec43 README
+
+2019-10-02 Jerry Lundström
+
+ Release 1.10.3
+
+ Fixed plugins inclusion in deb packages for Debian and Ubuntu.
+
+ 017ebb2 Deb packages
+ cf59143 COPR, spec
+
+2019-08-05 Jerry Lundström
+
+ Release 1.10.2
+
+ Fixed bug in the handling of defragmentation configuration which lead
+ to the use of a local scope variable later on and caused unexpected
+ behavior.
+
+ 91692b8 Frag conf
+ 6a74376 Package
+ d0d1a6d Package
+
+2019-07-08 Jerry Lundström
+
+ Release 1.10.1
+
+ Fix various issues found by code analysis tools, a few compiler warnings
+ removed, undefined bit shift behavior fixed, parameter memory leaks
+ plugged and documentation updates.
+
+ Fixes:
+ - `dump_dns`: Remove usage of `strcpy()` and use `snprintf()` instead
+ of `sprintf()`
+ - `bpft`:
+ - Use `text_ptr->len` to store length of generated text
+ - Use `memcpy()` instead of `strcat()`
+ - Remove unneeded `realloc()` and `strcpy()`
+ - `plugins/cryptopan`: Fix strict-aliasing warnings
+ - `network`: Rework part of `dl_pkt()` to remove usage of `strcpy()`
+ and use `snprintf()` instead of `sprintf()`
+ - `plugins/anonaes128`: Use `a6` as dest when copying v4 addresses for
+ readability and code analysis
+ - `plugins/cryptopan`: Run first pass separate to eliminate a 32bit
+ shift by 32 (undefined behavior)
+ - `plugins/cryptopant`: Fix memory leak of `keyfile` if `-k` is
+ specified more then once
+
+ Documentation:
+ - Update `README.md` with correction to building from git and note
+ about PCAP on OpenBSD
+ - Fix #190: Update link to `libbind` source
+
+ 074923c Funding
+ 5d2e84c libbind
+ 8ee9f2a Travis-CI
+ 6babd09 Fixes
+ bb2d1c7 README, compile warnings
+ 0d9cd9c LGTM, Travis-CI
+
+2018-12-03 Jerry Lundström
+
+ Release 1.10.0
+
+ This release adds a new plugin type "filter" and 5 new plugins that can
+ do anonymization, deanonymization and masking of the IP addresses.
+
+ New features:
+ - Check plugins for `pluginname_type()` which returns `enum plugin_type`,
+ if missing the plugin is counted as an "output" plugin
+ - New plugin type "filter" which calls `pluginname_filter()` prior of
+ outputting any data or calling of "output" plugins, if the new function
+ returns non-zero then the packet is filtered out (dropped)
+ - New extension `DNSCAP_EXT_SET_IADDR` that gives access to a function
+ for setting the from and to IP addresses both in the extracted data
+ and the wire
+
+ New plugins:
+ - `anonaes128`: Anonymize IP addresses using AES128
+ - `anonmask`: Pseudo-anonymize IP addresses by masking them
+ - `cryptopan`: Anonymize IP addresses using an extension to Crypto-PAn
+ (College of Computing, Georgia Tech) made by David Stott (Lucent)
+ - `cryptopant`: Anonymize IP addresses using cryptopANT, a different
+ implementation of Crypto-PAn made by the ANT project at USC/ISI
+ - `ipcrypt`: Anonymize IP addresses using ipcrypt create by
+ Jean-Philippe Aumasson
+
+ Bugfixes:
+ - Fix changing `royparse` and `txtout` with other plugins (thanks to
+ Duane Wessels and Paul Hoffman)
+ - Free pointers to allocated strings in `text_free()` (thanks to Michał
+ Kępień)
+ - Fix IP checksum calculation
+
+ Other changes:
+ - `-B` and `-E` can be used without `-w` (thanks to Duane Wessels)
+ - Use `pcap_findalldevs()` instead of `pcap_lookupdev()` (thanks to
+ Michał Kępień)
+ - Document and add `-?` option to all plugins
+ - Fix clang `scan-build` bugs and LGTM alerts
+ - Use `gmtime_r()` instead of `gmtime()`
+ - Update `pcap-thread` to v4.0.0
+
+ 67d8e2c Fix
+ fb0ed02 Plugin documentation
+ a2c9a6c cryptopant
+ 39db1ca Deanonymize, IPv6 test
+ afc7107 Crypto-PAn, cryptopANT
+ f1912cc OpenSSL, anonaes128
+ f2bab62 ipcrypt, anonmask
+ 158b1e7 anonmask help
+ 60ece58 anonmask
+ 8f1b138 Plugin types, filter plugin, set iaddr extension, anonymization
+ by masking
+ b7d7991 IP checksum
+ 641a23a Free pointers to allocated strings in text_free()
+ 4d313bf pcap_findalldevs()
+ 091e0ca Use pcap_findalldevs() instead of pcap_lookupdev()
+ 6a7b25e Clean up use of feature test macros on Linux
+ cbba14c Configure, uninitialized
+ f228c9c Code formatting
+ 3fd738c man-page
+ 770168a Test
+ 714e4f5 Fix -B <begin> so that it works when reading offline pcap files.
+ 8675bea Test
+ 911fec9 Implementing test9 as a test of -B and -E command line args.
+ a7cc72d -B <begin> and -E <end> can work fine without -w <base>.
+ 04c4928 Made the same changes to txtout as were in 165a786
+ 165a786 Workaround for stdio mystery causing duplicate royparse output.
+
+2018-02-28 Jerry Lundström
+
+ Release 1.9.0
+
+ This release adds a new option to change how the Berkeley Packet Filter
+ is generated to include the host restrictions for all selections,
+ previously this restriction would only apply to specific parts.
+
+ Additional tweaks to the RSSM plugin has been made to conform to the
+ RSSAC002v3 specification. One noticeable change is that the plugin now
+ requires the DNS to be parsed before counted, any error in the parsing
+ will result in the message being left out of the statistics.
+
+ Changes:
+ - Fix spacing in BPF filter to look better
+ - Fix #146: Add `bpf_hosts_apply_all`, apply any host restriction to all
+ - `plugin/rssm`:
+ - Remove quoting of `start-period` and correctly handle empty hashes
+ - Issue #152, Issue #91: Parse DNS before processing RSSM counters
+ - `plugin/rssm/dnscap-rssm-rssac002`: Use `YAML::Dump()` for output
+
+ 47d892b Issue #152: RSSM YAML output
+ d4f1466 Issue #152, Issue #91: Parse DNS before processing RSSM counters
+ 68fc1ff BPF, `bpf_hosts_apply_all`
+
+2018-02-07 Jerry Lundström
+
+ Release 1.8.0
+
+ This release updates the TCP stream code in order to be able to look
+ at more then just the first query, for handling already ongoing TCP
+ connections without having seen SYN/ACK and for reassembly of the TCP
+ stream prior of parsing it for DNS with an additional layer of parsing
+ (see `reassemble_tcp_bfbparsedns`).
+
+ Updates to the Root Server Scaling Measurement (RSSM) plugin have also
+ been made to bring it up to date with RSSAC002v3 specification, be
+ able to output the YAML format described and an additional script to
+ merge YAML files if the interval is less then the RSSAC002v3 24 hour
+ period. See "Updates to the RSSM plugin" below and
+ `plugins/rssm/README.md`.
+
+ New extended options:
+ - `parse_ongoing_tcp`: Start tracking TCP connections even if SYN/ACK
+ has not been seen
+ - `allow_reset_tcpstate`: Allow external reset of TCP state
+ - `reassemble_tcp`: Use to enable TCP stream reassembly
+ - `reassemble_tcp_faultreset`: Number of faults before reseting TCP
+ state when reassembly is enabled
+ - `reassemble_tcp_bfbparsedns`: Enable an experimental additional layer
+ of reassemble that uses `libbind` to parse the payload before accepting
+ it. If the DNS is invalid it will move 2 bytes within the payload and
+ treat it as a new payload, taking the DNS length again and restart
+ the process. Requires `libbind` and `reassemble_tcp`.
+
+ New extension functions for plugins:
+ - `DNSCAP_EXT_TCPSTATE_GETCURR`: Function to get a pointer for the
+ current TCP state
+ - `DNSCAP_EXT_TCPSTATE_RESET`: Function to reset a TCP state
+
+ New features:
+ - Parse additional DNS queries in TCP connections
+ - `-g` and the `txtout` plugin will reset TCP state (if allowed) on
+ failure to parse DNS
+
+ Bugfixes:
+ - Fix `-g` output, separate error message with a space
+ - Fix TCP packets wrongfully flagged as DNS when using layers.
+ - Fix TCP debug output when using layers, `ia_str()` is not safe to call
+ twice in the same `printf` because of local buffer.
+ - Fix exported extension functions, need to be file local
+
+ New tests for:
+ - Multiple DNS queries in one TCP connection
+ - Query over TCP without SYN
+ - Queries over TCP with first query missing length
+ - Queries over TCP with middle payloads missing
+ - Add test with TCP stream that missing multiple packets in the middle
+
+ Updates to the RSSM plugin (`plugins/rssm`):
+ - Add info about saving counts and sources
+ - Fix memory leak on `fopen()` errors
+ - Update to RSSAC002v3 specification
+ - New options:
+ - `-D` to disable forking on close
+ - `-Y`: Use RSSAC002v3 YAML format when writing counters, the file
+ will contain multiple YAML documents, one for each RSSAC002v3 metric
+ Used with; -S adds custom metric `dnscap-rssm-sources` and -A adds
+ `dnscap-rssm-aggregated-sources`
+ - `-n`: Set the service name to use in RSSAC002v3 YAML
+ - `-S`: Write source IPs into counters file with the prefix `source`
+ - `-A`: Write aggregated IPv6(/64) sources into counters file with
+ the prefix `aggregated-source`
+ - `-a`: Write aggregated IPv6(/64) sources to
+ `<name>.<timesec>.<timeusec>`
+ - Add `dnscap-rssm-rssac002` Perl script for merging RSSAC002v3 YAML files
+ - Add README.md for the plugin man-page for `dnscap-rssm-rssac002`
+ - Add test for YAML output and merging of YAML files
+
+ c7058c8 Use file local functions for all extensions
+ 66b352d RSSM RSSAC002v3 YAML Tool
+ b09efc2 `plugins/rssm` RSSAC002v3
+ 709aba6 Fix #89: Add additional reassembly layers that parses the
+ payload byte for byte for valid DNS
+ 04fa013 Fix CID 1463944 (again)
+ b1cf623 RSSM saving data and forking
+ fb23305 Fix CID 1463944
+ 0fca1a8 Issue #89: TCP stream reassemble
+ bb6428c CID 1463814: Check `ns_initparse()` for errors
+ a57066f Fix #88: TCP handling
+
+2017-12-27 Jerry Lundström
+
+ Release 1.7.1
+
+ The library used for parsing DNS (libbind) is unable to parse DNS
+ messages when there is padding at the end (the UDP/TCP payload is larger
+ then the DNS message). This has been fixed by trying to find the actual
+ DNS message size, walking all labels and RR data, and then retry parsing.
+
+ Other changes and bug-fixes:
+ - Fix size when there is a VLAN to match output of `use_layers` yes/no
+ - Add test of VLAN matching
+ - Fix `hashtbl.c` building in `rssm`
+ - Add test with padded DNS message
+
+ 49e5400 Fix #127: If `ns_initparse()` returns `EMSGSIZE`, try and get
+ actual size and reparse
+ 99bda0b Fix #98: VLAN
+
+2017-12-19 Jerry Lundström
+
+ Release 1.7.0
+
+ This release adds IP fragmentation handling by using layers in pcap-thread
+ which also adds a new flag to output and modules. `DNSCAP_OUTPUT_ISLAYER`
+ indicates that `pkt_copy` is equal to `payload` since the layers of the
+ traffic have already been parsed. IP fragments are reassembled with the
+ `pcap_thread_ext_frag` extension that is included in pcap-thread.
+
+ New extended (`-o`) options:
+ - `use_layers`: Use pcap-thread layers to handle the traffic
+ - `defrag_ipv4`: Enabled IPv4 de-fragmentation
+ - `defrag_ipv6`: Enabled IPv6 de-fragmentation
+ - `max_ipv4_fragments`: Set maximum fragmented IPv4 packets to track
+ - `max_ipv4_fragments_per_packet`: Set the maximum IPv4 fragments per
+ tracked packet
+ - `max_ipv6_fragments`: Set maximum fragmented IPv6 packets to track
+ - `max_ipv6_fragments_per_packet`: Set the maximum IPv6 fragments per
+ tracked packet
+
+ Currently `-w` does not work with `use_layers` and the plugins `pcapdump`
+ and `royparse` will discard output with the flag `DNSCAP_OUTPUT_ISLAYER`
+ because they need access to the original packet.
+
+ The `rzkeychange` plugin now encodes certain flag bits in the data that
+ it reports for RFC8145 key tag signaling. The flags of interest are:
+ `DO`, `CD`, and `RD`. These are encoded in an bit-mask as a hexadecimal
+ value before the `_ta` component of the query name.
+
+ Other changes and bug-fixes:
+ - Fix #115: document `-g` output, see `OUTPUT FORMATS` `diagnostic` in
+ `dnscap(1)` man-page
+ - Add test to match output from non-layers runs with those using layers
+ - Add test with fragmented DNS queries
+ - Fix #120: CBOR/CDS compiles again, update tinycbor to v0.4.2
+ - Fix `ip->ip_len` byte order
+ - Fix parsing of IP packets with padding or missing parts of payload
+
+ 0347f74 Add AUTHORS section in man-page
+ ef1b68c Fix CID 1463073
+ 8a79f89 Layers
+ a404d08 Update pcap-thread to v3.1.0, add test for padding fixes
+ 08402f1 Fix byte order bug. ip->ip_len must be evaluated with ntohs().
+ d6d2340 CBOR/CDS and formatting
+ 85ec2d8 Fix #87: IP fragmentation reassembly
+ 22bfd4a Documentation
+ c35f19f Adding flag bits to rzkeychange RFC8145 key tag signaling data.
+ This may be useful to find "false" key tag signals from sources
+ that don't actually perform DNSSEC validation.
+
+2017-12-01 Jerry Lundström
+
+ Release 1.6.0
+
+ New additions to the plugins:
+ - `rzkeychange` can now collect RFC8145 key tag signaling. Signals are
+ saved during the collection interval, and then sent to the specified
+ `-k <zone>`, one at a time, at the end of the interval. Only root zone
+ signals are collected. Added by Duane Wessels (@wessels).
+ - `royparse` is a new plugin to splits a PCAP into two streams, queries
+ in PCAP format and responses in ASCII format. Created by Roy Arends
+ (@RoyArends).
+ - `txtout` new option `-s` for short output, only print QTYPE and QNAME
+ for IN records. Added by Paul Hoffman (@paulehoffman)
+ - The extension interface has been extended with `DNSCAP_EXT_IA_STR` to
+ export the `ia_str()` function.
+
+ Bugfixes and other changes:
+ - Remove duplicated hashtbl code
+ - `rssm`: fix bug where count in table was taken out as `uint16_t` but
+ was a `uint64_t`
+ - Handle return values from hashtbl functions
+ - `txtout`: removed unused `-f` options
+ - Change `ia_str()` to use buffers with correct sizes, thanks to
+ @RoyArends for spotting this!
+
+ Commits:
+ 3f78a31 Add copy/author text
+ 1bd914d Fix CID 1462343, 1462344, 1462345
+ f9bb955 Fix `fprintf()` format for message size
+ abedf84 Fix #105: `inet_ntop` buffers
+ bfdcd0d Addresses the suggestions from Jerry.
+ dda0996 royparse :)
+ 4f6520a royparse plugin finished
+ f1aa4f2 Fix #103: Remove `opt_f`
+ 32355b7 Rearrange code to keep the change smaller and fix indentation
+ d6612c1 Added -s to txtout for short output
+ 9d8d1ef Check return of `snprintf()`
+ 55f5aba Format code
+ 9f19ec3 Fixed memory leak in rzkeychange_keytagsignal()
+ 58b8784 Fix memory leaks and better return value checks in
+ rzkeychange_submit_counts()
+ b06659f Add server and node to keytag signal query name
+ 705a866 Always free response packets in rzkeychange plugin.
+ e802843 Implement RFC8145 key tag signal collection in rzkeychange plugin
+ 5fbf6d0 Added extension for ia_str() so it can be used by rzkeychange
+ plugin.
+ 3be8b8f Split `dnscap.c` into more files
+ e431d14 Fix #92: hashtbl
+
+2017-08-21 Jerry Lundström
+
+ Release 1.5.1
+
+ Compatibility fixes for FreeBSD 11.1+ which is now packing `struct ip`
+ and for OpenBSD.
+
+ Commits:
+ 17e3c92 FreeBSD is packing `struct ip`, need to `memcpy()`
+ f8add66 Code formatting
+ 38cd585 Add documentation about libbind
+ d1dd55b Fix #82: Update dependencies for OpenBSD
+
+2017-06-06 Jerry Lundström
+
+ Release 1.5.0
+
+ Added support for writing gzipped PCAP if the `-W` suffix ends with
+ `.gz` and made `-X` work without `-x`. New inteface for plugins to
+ tell them what extensions are available and a new plugin `rzkeychange`.
+
+ Plugin extensions:
+ - Call `plugin_extension(ext, arg)` to tell plugin what extensions exists
+ - Add extension for checking responder (`is_responder()`)
+
+ The rzkeychange plugin was developed by Duane Wessels 2016 in support
+ of the root zone ZSK size increase. It is also being used in support of
+ the 2017 root KSK rollover and collects the following measurements:
+ - total number of responses sent
+ - number of responses with TC bit set
+ - number of responses over TCP
+ - number of DNSKEY responses
+ - number of ICMP_UNREACH_NEEDFRAG messages received
+ - number of ICMP_TIMXCEED_INTRANS messages received
+ - number of ICMP_TIMXCEED_REASS messages received
+
+ Other fixes (author Duane Wessels):
+ - 232cbd0: Correct comment description for meaning of IPPROTO_AH
+ - 181eaa4: Add #include <sys/time.h> for struct timeval on NetBSD
+
+ Commits:
+
+ 1d894e2 Make -x and -X work correctly together and update man-page
+ 34bc54c Make the -X option work without requiring a -x option.
+ f43222e Fix CID 1440488, 1440489, 1440490
+ aa54395 Update pcap-thread to v2.1.3
+ 81174ce Prepare SPEC for OSB/COPR
+ 21d7468 New plugin rzkeychange and plugin extensions
+ 38491a3 Config header is generated by autotools
+ 419a8ab Small tweaks and fixes for gzip support
+ 1967abc updated for earlier BSD versions
+ f135c90 added auto gzip if the -W suffix ends with .gz
+
+ Commits during development of rzkeychange (author Duane Wessels):
+ - 620828d: Add rzkeychange -z option to specify resolver IP addresses
+ - 1f77987: Add -p and -t options to rzkeychange plugin to configure an
+ alternate port and TCP. Useful for ssh tunnels.
+ - 2a571f1: Split ICMP time exceeded counter into two counters for time
+ exceeded due to TTL and another due to fragmentation
+ - e4ee2d3: The rzkeychange data collection plugin uses
+ `DNSCAP_EXT_IS_RESPONDER` extension to know if an IP address is a
+ "responder" or not, because when dnscap is instructed to collect ICMP
+ with -I, it processes all ICMP packets, not just those limited to
+ responders (or initiators).
+ - cee16b8: Add ICMP Time Exceeded to counters
+ - ad8a227: Counting source IPs has performance impacts. #ifdef'd out for
+ now add ICMP "frag needed" counts
+ - c25e72b: Implemented DNS queries with ldns. First there will be some
+ test queries to ensure the zone is reachable and configured to receive
+ data. Then a query naming the fields, followed by the periodic queries
+ delivering counts.
+ - fd23be7: Make report zone, server, node command line argumements mandatory
+ - 137789b: Adding rzkeychange plugin files
+
+2017-03-29 Jerry Lundström
+
+ Release 1.4.1
+
+ Fixed an issue that when compiled with libpcap that had a specific
+ feature enabled it would result in a runtime error which could not be
+ worked around.
+
+ Also fixed various compatibility issues and updated dependency
+ documentation for CentOS.
+
+ Commits:
+
+ 785d4c4 Fix compiler warnings
+ 2d4df8d Fix #65: Update pcap-thread to v2.1.2
+ 26d3fbc Fix #64: Add missing dependency
+ 55e6741 Update pcap-thread to v2.1.1, fix issue with libpcap timestamp
+ type
+ c6fdb7a Fix typo and remove unused variables
+
+2017-02-27 Jerry Lundström
+
+ Release 1.4.0
+
+ Until it can be confirmed that the threaded code works as well as the
+ non-threaded code it has been made optional and requires a configuration
+ option to enable it during compilation.
+
+ New extended option:
+ - `-o pcap_buffer_size=<bytes>` can be used to increase the capture
+ buffer within pcap-thread/libpcap, this can help mitigate dropped
+ packets by the kernel during breaks (like when closing dump file).
+
+ Commits:
+
+ 1c6fbb2 Update copyright year
+ 63ef665 Suppress OpenBSD warnings about symbols
+ 2c99946 pcap-thread v2.0.0, disable threads, errors handling
+ 4cade97 Fix #56: Update pcap-thread to v1.2.2 and add test
+
+2016-12-23 Jerry Lundström
+
+ Release 1.3.0
+
+ Rare lockup has been fixed that could happen if a signal was received
+ in the wrong thread at the wrong time due to `pcap_thread_stop()`
+ canceling and waiting on threads to join again. The handling of signals
+ have been improved for threaded and non-threaded operations.
+
+ New features:
+ - Experimental CBOR DNS Stream format output, see `CBOR_DNS_STREAM.md`
+ - Extended options to specify user and group to use when dropping
+ privileges, see EXTENDED OPTIONS in man-page
+
+ Commits:
+
+ a5fa14e Signal and threads
+ 3868104 Use old style C comments
+ 7946be5 Clarify building
+ d5463b4 RPM spec and various automake fixes
+ df206bf Resource data indexing and documentation
+ 0e2d0fe Fix #22, fix #43: Update README
+ 5921d73 Add stream option RLABELS and RLABEL_MIN_SIZE
+ 6dd6ec1 Implement experimental CBOR DNS Stream Format
+ 4baf695 Fix #37: Extended options to specifty user/group to use when
+ dropping privileges
+ 61d830a Fix #35: Use `AC_HEADER_TIME` and fix warning
+
+2016-10-27 Jerry Lundström
+
+ Release 1.2.0
+
+ Update `pcap-thread` to v1.2.0 to get the new callback queue mode which
+ puts that mode into using pthread conditions if all pcaps are offline and
+ keeps us from losing packets.
+
+ Use `pcap_thread_dropback()` callback to get the notification when a
+ packet was dropped because the queue was full, indicating that we can't
+ process all the packets. Added this stats to the `-S` output as total
+ and per interface as `ptdrop`. Changed the output for each interface
+ to not cut of information, for example interface name was cut to
+ 4 characters.
+
+ Other changes:
+
+ - Add extended options `-o <option>=<value>` because we are running out
+ of short options.
+ - Better handling of library checks and automake rules
+ - New option `-F <format>` to specify the format of the output in `-w`
+ - Add experimental CBOR output support
+ - LDNS is used to parse the packets
+ - Tinycbor is used to construct the CBOR output
+ - DNS-in-JSON draft [1] for representing the objects
+ - Check CBOR topic in README.md for more information
+ - When only reading offline pcap files it will not attempt to drop
+ privileges and add new option `-N` to explicitly not drop privileges.
+
+ Commits:
+
+ f42e23f Extended options and CBOR output format
+ a28f498 Fix #24: Handle packet drops
+ 2308eaa Fix #26: Unable to drop GID to nobody, exiting.
+ 82d65f2 Update pcap-thread to v1.1.2
+
+ [1] https://datatracker.ietf.org/doc/draft-hoffman-dns-in-json/
+
+2016-10-11 Jerry Lundström
+
+ Release 1.1.0
+
+ The ownership of DNSCAP was transferred from ISC to DNS-OARC in
+ the summer of 2016 and this is the first release since that.
+
+ This project now uses Semantic Versioning and these are the changes
+ since the `dnscap-20160205` release (which can also be found using
+ the tag `v0.0.0-20160205`).
+
+ Highlights:
+ - Restructure repository and use autotools
+ - Compiled and tested on Debian, Ubuntu, CentOS, FreeBSD and OpenBSD
+ using Jenkins and Travis-CI
+ - Source code static analysis using Coverity Scan
+ - Compatibility fixes for FreeBSD, OpenBSD and OS X
+ - ABI change to `output()`, previous `isfrag` is now a `flags` that
+ represents what the packet is through a bitmask
+ - Use helper library `pcap-thread` when capturing to solve missing
+ packets during very low traffic
+
+ New command line options:
+ - `-V`: Prints version and then exits
+ - `-M`: Enable monitor mode on interfaces
+ - `-D`: Enable immediate mode on interfaces
+ - `-W`: Allow to specify a suffix for the pcap dump file
+ - `-C`: Limit/rotate capture after a certain amount of bytes
+
+ Special thanks to:
+ - Duane Wessels
+ - Paul Vixie
+ - Klaus Darilion
+
+ Commits:
+
+ bc7eb22 Update license after ownership transfer from ISC to DNS-OARC,
+ update contributors, add build badges and removed SuperFastHash
+ since apparently it was not used.
+ 778e457 Add `-V` for displaying version and the exiting
+ 71c2d79 Fix #12: Sync man-page and help text
+ 33576ef Swap option C and D, C for this makes more sense. Also ensure
+ that `capturedbytes` is zero on start.
+ 0077aff Correct dump trace with new `flags`
+ f9cbba0 Do not use dump suffix unless it set
+ 4dd81d6 Update the man page
+ 7435c49 Change new option C to D because C was already taken
+ 813dddb Fix -B and -E, these options are supported only once
+ 76f19d1 fix usage of -W
+ 519b64f Add -Y option to short usage instructions
+ 348c738 Fix -C feature: capturedbytes was not increased
+ 3db6f94 Improve logging
+ b567bef New option -C: limit/rotate capture after a certain amount
+ of bytes
+ 341abdf Add -W feature: allow to specify a suffix for the pcap dump
+ file, e. g.: '.pcap'
+ 097a3b4 Count every packet which is sent to output(), not only
+ the normal ones.
+ 75e5968 Close PCAPs after dumper_close() to have statistics still
+ available during dumper_close(). Otherwise we get a segfault
+ on shutdown.
+ c09d61a Add debian/ubuntu package files.
+ 020f2aa Forgot about the compiler warnings and fix the last
+ Coverity Scan issue
+ 00c834d More Coverity Scan fixes
+ ad2f230 Fix various Coverity Scan issues
+ 606f0cd Update pcap thread to version 1.1.1
+ f065cd7 Fix #14: Add options `-M` and `-C` for monitor and
+ immediate mode, update help and man-page.
+ b872035 Update to pcap-thread version 1.1.0
+ 1f30637 Update pcap_thread to v1.0.1, add travis check that dnscap
+ can run
+ b19efaa Building from Git repository instructions
+ b5460df Use `calloc()` instead of `malloc()` to be sure the memory
+ is zeroed
+ ae6a04d Use pcap_thread v1.0.0
+ 9426a2d Update pcap_thread and add pcap stats
+ 820b2f2 Update pcap_thread and support offline pcaps
+ a47dd67 Update pcap_thread
+ 237a7a7 CentOS autoreconf complained
+ 7b5568c Use pcap_thread
+ 11d0388 Revert the changes on all lines that had NULL, 0 before.
+ 7d6a7e4 Passing IPv6 fragment payloads may not currently be safe.
+ Needs more work. For now pass pkt=NULL to be safe for plugins.
+ ea8f9a4 Make the family of output() functions future proof with a flags
+ bitmask. Rather than separate 'isfrag' and 'isdns' flags,
+ they are now set as bitmasks in a single 'flags' value passed
+ to output() f
+ 472a172 A change to the interface of the family of output() functions.
+ 95a6e62 timeval.* are not unsigned
+ d3f32de Fix #1: Use NS_*SZ
+ e555871 Fix compiler warnings
+ 3ed8f29 Fix #1
+ 864cbd7 Can you change #ifdef __APPLE__ to check for the
+ arpa/nameser_compat.h header and include it if it exists?
+ 796e8ea plugin/rssm needs to include arpa/nameser_compat.h for OS X
+ so that the HEADER struct is declared.
+ daf4bd3 In plugin/txtout silence compiler warnings about int vs short
+ e5bc24b plugin/pcapdump needs to include arpa/nameser_compat.h for OS X
+ so that the HEADER struct is declared.
+ 0061b57 Work around configure problem detecting libresolv on Mac OS X
+ Without some #include files, the configure test won't find
+ the symbol res_mkquery() in libresolv on OS X. It is called
+ res_9_mkquery()
+ 5309655 Mac OS X doesn't have setresuid() and setresgid().
+ This patch adds configure checks for setreuid() and setregid()
+ and will use those instead if the other versions are
+ not available.
+ d257a1c Fix compilation on FreeBSD and OpenBSD
+ 07b2a75 Restructure repository and move to Automake.